\section{}

\subsection{题目描述}

\begin{figure}[htbp]
\centering
\includegraphics[scale=0.5]{questions/fig/p1033}
\caption{自由落体示意图}
\end{figure}

\subsection{输入}

\subsection{输出}

\subsection{样例}
\textbf{输入样例}
\begin{lstlisting}
\end{lstlisting}
\textbf{输出样例}
\begin{lstlisting}
\end{lstlisting}

\subsection{提示}

\subsection{分析}

\subsection{代码}
\begin{lstlisting}

\end{lstlisting}
